How can PHP be used to remove empty lines in the meta description tag?

To remove empty lines in the meta description tag using PHP, you can use the `preg_replace` function with a regular expression pattern to match and remove any empty lines. This will ensure that the meta description tag does not contain any unnecessary blank lines, which can affect the appearance of the webpage in search engine results. 

$meta_description = "<meta name='description' content='
This is a sample meta description.

'>

";
$meta_description = preg_replace('/^\h*\v+/m', '', $meta_description);
echo $meta_description;

Keywords

PHP meta description remove empty lines string manipulation

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